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Note 12 - Goodwill and Other Intangible Assets | 12 Months Ended
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Dec. 31, 2018
Notes to Financial Statements |
Goodwill and Intangible Assets Disclosure [Text Block] | 12. Goodwill and Other Intangible Assets As discussed in Note 11, Acquisitions, in 2017, we recorded goodwill of approximately $40 million and additional finite-lived intangible assets of approximately $76 million in connection with the SLD acquisition. All goodwill was assigned to our Dedicated Contract Services® business segment. No impairment losses have been recorded for goodwill as of December 31, 2018. Prior to the SLD acquisition, our only intangible asset consisted of our purchased LDC network access within our Dedicated Contract Services® segment. Identifiable intangible assets consist of the following (in millions):
|  |  |  |  |  |  |  |  |  | Weighted Average |
|  | December 31, |  |  | Amortization |
|  | 2018 |  |  | 2017 |  |  | Period |
Finite-lived intangibles: |  |  |  |  |  |  |  |  |  |  |  |
Non-competition agreements |  | $ | 0.2 |  |  | $ | 0.2 |  |  |  | 5 |
Customer relationships |  |  | 75.3 |  |  |  | 75.3 |  |  |  | 10 |
LDC Network |  |  | 10.5 |  |  |  | 10.5 |  |  |  | 10 |
Total finite-lived intangibles |  |  | 86.0 |  |  |  | 86.0 |  |  |  |  |
Less accumulated amortization |  |  | (20.9 | ) |  |  | (12.3 | ) |  |  |  |
Total identifiable intangible assets, net |  | $ | 65.1 |  |  | $ | 73.7 |  |  |  |  |
Our finite-lived intangible assets have no assigned residual values. During the years ending December 31, 2018, 2017, and 2016, intangible asset amortization expense was $8.6 million, $4.2 million and $1.0 million, respectively. Estimated amortization expense for our finite-lived intangible assets is expected to be approximately $7.8 million for 2019 and $7.6 million for 2020 through 2023. Actual amounts of amortization expense may differ from estimated amounts due to additional intangible asset acquisitions, impairment or accelerated amortization of intangible assets, and other events.

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- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI http://asc.fasb.org/topic&trid=2144416 + Details
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